Cards like Dina, Soul Steeper really accelerate the damage output with Slimefoot and serve as a sacrifice outlet for the saprolings if you want to force the action
You can Wasteland a foe's land and then use it yourself
Whenever a creature with power 2 or less enters under your control, you gain an experience counter
Spells you cast from anywhere other than your hand cost (1) less to cast
Its a great way to immediately bring yourself up to speed and Amber & Emerald does so in a way thats slightly friendlier than the other Into the Inklands starter deck
Captain of the Watch, Catapult Master, Knight-Captai of Eos, Field Marshal, Daru Warchief, Mobilization, Preeminent Captain, Ballyrush Banneret, Veteran Swordsmith, Rox Pikemaster, Veteran Armorsmith & Obelisk of Urd are all amazing cards that support the Soldier archetype